The reviews are consistently positive about Men in Black, with praise centred on the pairing of Tommy Lee Jones and Will Smith: Jones’s straight-faced cool gives Smith’s cockiness something to play against. Most critics also admire how comfortably the film combines science fiction and comedy, treating its alien bureaucracy as an ordinary working environment. The creature designs and effects draw repeated praise, while Sonnenfeld’s direction is credited with keeping the visual invention in step with the jokes rather than letting it overwhelm them.
The reservations concern how much story there is beneath that confident handling. The New Yorker admires Jones and the relaxed New York atmosphere but finds the plot thin; Time Out similarly sees a strong premise without enough narrative to sustain it. The spread is otherwise narrow: these are reservations within favourable assessments, rather than dissent over the film’s humour, performances or effects.